adidas promises the best-fitting shoe in the world with their new Primeknit 2.0. The Primeknit 2.0 delivers an entirely unique fit and feel through a knitted compression tongue layer that locks the foot in place.The one-piece woven upper offers a seamless fit, while a thin synthetic layer adds durability and ball control in wet conditions. The ankle has a high techfit collar for a flexible support.The outer shell, which includes the knitted upper and the lightweight vacuum coated skin, offers durability and ensures a flexible, soft upper.